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  3. 00 a carnot engine whose sink is at 300 k has an e

00 A Carnot engine whose sink is at 300 K has an efficiency of 40...

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00 A Carnot engine whose sink is at 300 K has an efficiency of 40 By how much the source temperature should be changed so as to increase the efficiency to 60 A 250K increase B 250 K decrease C 325K increase D 325 K decrease

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